Implement changes on Orchestra\Support\Validator.

Signed-off-by: crynobone <crynobone@gmail.com>
Allow guest user to access resources if ACL permit. Closes #55.

Signed-off-by: crynobone <crynobone@gmail.com>
Fixed assertion based on 6b3bcbc changes.

Signed-off-by: crynobone <crynobone@gmail.com>
Roles selection height should be height: 38px. Closes #53

Signed-off-by: crynobone <crynobone@gmail.com>
Merge branch '2.0'